Answer:
2x^2
Step-by-step explanation:
combine like terms, and do the subtraction!
Answer:
31
Step-by-step explanation:
y=kx
Both a and b are functions. for it to be a function, you can only have 1 y value per x value.
this is not a function because 1 has 2 y values
(1,3)(2,5)(1,4)(3,2)
Square root of (5-9)^2+(1+6)^2
7x / 8 = 21
7x = 8*21
x = 24